1.

2-4 = \(\frac{1}{2^n}\) then n = ……………A) 3 B) -3 C) 4 D) – 4

Answer»

Correct option is (C) 4

\(2^{-4}=\frac{1}{2^n}=2^{-n}\)

\(\Rightarrow\) -n = -4

\(\Rightarrow\) n = 4

Correct option is  C) 4



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